books.google.com - This study of data collected by scientists at the University of Minnesota reports the unexpected similarities discovered in identical twins raised apart and explores the wide-ranging implications of these findings...https://books.google.com/books/about/Twins.html?id=Jr8QAQAAIAAJ&utm_source=gb-gplus-shareTwins

Twins: an uncanny relationship

This study of data collected by scientists at the University of Minnesota reports the unexpected similarities discovered in identical twins raised apart and explores the wide-ranging implications of these findings